/Engine/Source/Runtime/GameplayTags/Classes/GameplayTagsManager.h
Returns information about tag. If not found return false
bool GetTagEditorData ( [FName](API\Runtime\Core\UObject\FName) TagName, [FString](API\Runtime\Core\Containers\FString) & OutComment, [TArray](API\Runtime\Core\Containers\TArray)< [FName](API\Runtime\Core\UObject\FName) > & OutTagSources, bool & bOutIsTagExplicit, bool & bOutIsRestrictedTag, bool & bOutAllowNonRestrictedChildren ) const